National Register Historic Districts
& Homes in Connecticut
- Allen Place-Lincoln Street Historic District, Hartford, CT (listed: 08/28/2003)
- Andover Center Historic District, Andover, CT (listed: 04/18/2003)
- Ann Street Historic District, Hartford, CT (listed: 11/28/1983)
- Aspetuck Historic District, Easton, CT (listed: 08/23/1991)
- Asylum Avenue District, Hartford, CT (listed: 11/29/1979)
- Asylum--Trumbull--Pearl Streets Historic District, Hartford, CT (listed: 03/28/1985)
- Avon Center Historic District, Avon, CT (listed: 02/03/2005)
- Baltic Historic District, Sprague, CT (listed: 08/03/1987)
- Bank Street Historic District, Waterbury, CT (listed: 07/28/1983)
- Barkhamsted Center Historic District, Barkhamsted, CT (listed: 12/22/1999)
- Barnum-Palliser Development Historic District, Bridgeport, CT (listed: 12/16/1982)
- Bassickville Historic District, Bridgeport, CT (listed: 09/08/1987)
- Bean Hill Historic District, Norwich, CT (listed: 12/08/1982)
- Beaver Hills Historic District, New Haven, CT (listed: 07/31/1986)
- Beaver Meadow Complex Prehistoric Archeological District, Barkhamsted, CT (listed: 09/21/1988)
- Belltown Historic District, East Hampton, CT (listed: 10/28/1985)
- Bethlehem Green Historic District, Bethlehem, CT (listed: 12/16/1982)
- Bigelow--Hartford Carpet Mills Historic District, Enfield, CT (listed: 11/25/1994)
- Birmingham Green Historic District, Derby, CT (listed: 04/21/2000)
- Black Rock Gardens Historic District, Bridgeport, CT (listed: 09/26/1990)
- Black Rock Historic District, Bridgeport, CT (listed: 03/15/1979)
- Block Historic District, Bridgeport, CT (listed: 06/27/1978)
- Bolton Green Historic District, Bolton, CT (listed: 04/12/2001)
- Boston Post Road Historic District (Darien), Darien, CT (listed: 12/16/1982)
- Bradley Edge Tool Company Historic District, Weston, CT (listed: 11/22/1995)
- Branford Center Historic District, Branford, CT (listed: 05/06/1987)
- Branford Electric Railway Historic District, East Haven, CT (listed: 06/03/1983)
- Branford Point Historic District, Branford, CT (listed: 09/15/1988)
- Bridgeport Downtown North Historic District, Bridgeport, CT (listed: 11/02/1987)
- Bridgeport Downtown South Historic District, Bridgeport, CT (listed: 09/03/1987)
- Bridgewater Center Historic District, Bridgewater, CT (listed: 07/19/2000)
- Broad Street Green Historic District, Windsor, CT (listed: 12/30/1999)
- Broad Street Historic District (Middletown), Middletown, CT (listed: 08/25/1988)
- Broad Street-Davis Park Historic District, Killingly, CT (listed: 12/31/1998)
- Brookfield Center Historic District, Brookfield Center, CT (listed: 08/15/1991)
- Brooklyn Green Historic District, Brooklyn, CT (listed: 09/23/1982)
- Buckingham Square District, Hartford, CT (listed: 06/05/1977)
- Buckingham Square Historic District (Boundary Increase), Hartford, CT (listed: 11/30/1982)
- Burlington-Harmony Hill Roads Historic District, Harwinton, CT (listed: 12/06/1996)
- Burnett's Corner Historic District, Groton, CT (listed: 12/04/1997)
- Bush Hill Historic District, Brooklyn, CT (listed: 02/10/1987)
- Calhoun-Ives Historic District, Washington, CT (listed: 11/22/1995)
- Canaan Village Historic District, North Canaan, CT (listed: 12/13/1990)
- Cannondale Historic District, Wilton, CT (listed: 11/12/1992)
- Canoe Brook Historic District, Branford, CT (listed: 04/11/2002)
- Canterbury Center Historic District, Canterbury, CT (listed: 04/10/1998)
- Canton Center Historic District, Canton, CT (listed: 10/07/1997)
- Capen-Clark Historic District, Hartford, CT (listed: 04/27/1982)
- Central Avenue-Center Cemetery Historic District, East Hartford, CT (listed: 04/19/1993)
- Central Village Historic District, Plainfield, CT (listed: 08/09/1991)
- Chapel Street Historic District, New Haven, CT (listed: 04/05/1984)
- Chaplin Historic District, Chaplin, CT (listed: 10/11/1978)
- Charter Oak Place, Hartford, CT (listed: 01/20/1978)
- Chelsea Parade Historic District, Norwich, CT (listed: 05/12/1989)
- Cheney Brothers Historic District, Manchester, CT (listed: 06/02/1978)
- Cheshire Historic District, Cheshire, CT (listed: 08/29/1986)
- Church Hill Historic District, New Canaan, CT (listed: 03/02/1990)
- City Hall-Monument District, New Britain, CT (listed: 02/28/1973)
- Civic Institutions Historic District, New London, CT (listed: 04/16/1990)
- Clay Hill Historic District, Hartford, CT (listed: 06/16/1983)
- Clay Hill Historic District (Boundary Increase), Hartford, CT (listed: 02/16/1984)
- Clinton Village Historic District (CT), Clinton, CT (listed: 07/29/1994)
- Coit Street Historic District, New London, CT (listed: 02/19/1988)
- Colchester Village Historic District, Colchester, CT (listed: 04/04/1994)
- Colebrook Center Historic District, Colebrook, CT (listed: 07/26/1991)
- Collins and Townley Streets District, Hartford, CT (listed: 11/29/1979)
- Collinsville Historic District (Canton, CT), Collinsville, CT (listed: 06/23/1976)
- Colony Street--West Main Street Historic District, Meriden, CT (listed: 09/04/1987)
- Colt Industrial District, Hartford, CT (listed: 06/08/1976)
- Colt Industrial District (Boundary Increase), Hartford, CT (listed: 08/24/2001)
- Columbia Green Historic District, Columbia, CT (listed: 12/06/1990)
- Compo-Owenoke Historic District, Westport, CT (listed: 04/19/1991)
- Congress Street Historic District, Hartford, CT (listed: 07/24/1992)
- Coventry Glass Factory Historic District, Coventry, CT (listed: 08/27/1987)
- Curtisville Historic District, Glastonbury, CT (listed: 12/14/1992)
- Danielson Main Street Historic District, Killingly, CT (listed: 04/08/1992)
- Dayville Historic District, Killingly, CT (listed: 08/25/1988)
- Deacon's Point Historic District, Bridgeport, CT (listed: 08/21/1992)
- Department Store Historic District, Hartford, CT (listed: 03/23/1995)
- Division Street Historic District, Bridgeport, CT (listed: 06/03/1982)
- Dolsen Place Historic District, Stamford, CT (listed: 06/18/1986)
- Downtown Main Street Historic District, East Hartford, CT (listed: 12/20/1996)
- Downtown New London Historic District, New London, CT (listed: 04/13/1979)
- Downtown New London Historic District (Boundary Increase), New London, CT (listed: 02/18/1988)
- Downtown North Historic District, Hartford, CT (listed: 05/06/2004)
- Downtown Norwich Historic District, Norwich, CT (listed: 04/04/1985)
- Downtown Seymour Historic District, Seymour, CT (listed: 08/25/1983)
- Downtown Stamford Historic District, Stamford, CT (listed: 10/06/1983)
- Downtown Stamford Historic District (Boundary Increase 2), Stamford, CT (listed: 01/31/2003)
- Downtown Stamford Historic District (Boundary Increase), Stamford, CT (listed: 02/21/1985)
- Downtown Torrington Historic District, Torrington, CT (listed: 12/22/1988)
- Downtown Waterbury Historic District, Waterbury, CT (listed: 08/03/1983)
- Dudleytown Historic District, Guilford, CT (listed: 08/09/1991)
- Dwight Street Historic District, New Haven, CT (listed: 09/08/1983)
- East Bank Historic District, Westport, CT (listed: 08/14/1986)
- East Bridgeport Historic District, Bridgeport, CT (listed: 04/25/1979)
- East District School, Norwich, CT (listed: 10/28/1970)
- East Granby Historic District, East Granby, CT (listed: 08/25/1988)
- East Haddam Historic District, East Haddam, CT (listed: 04/29/1983)
- East Haven Green Historic District, East Haven, CT (listed: 04/11/2002)
- East Main Street Historic District, Bridgeport, CT (listed: 02/21/1985)
- East Plymouth Historic District, Plymouth, CT (listed: 02/21/1985)
- East Weatogue Historic District, Simsbury, CT (listed: 07/19/1990)
- East Windsor Hill Historic District, South Windsor, CT (listed: 05/30/1986)
- Edgewood Park Historic District, New Haven, CT (listed: 09/09/1986)
- Eldredge Mills Archeological District, Willington, CT (listed: 10/20/2000)
- Ellington Center Historic District, Ellington, CT (listed: 11/15/1990)
- Elm Street Historic District, Hartford, CT (listed: 06/28/1984)
- Endee Manor Historic District, Bristol, CT (listed: 02/29/1996)
- Enfield Historic District, Enfield, CT (listed: 08/10/1979)
- Enfield Shakers Historic District, Enfield, CT (listed: 05/21/1979)
- Essex Historic District, Essex, CT (listed: 06/21/1978)
- Fairfield Historic District, Fairfield, CT (listed: 03/24/1971)
- Falls Village District, Canaan, CT (listed: 06/14/1979)
- Farmington Historic District, Farmington, CT (listed: 03/17/1972)
- Federal Hill Historic District (Bristol), Bristol, CT (listed: 08/28/1986)
- Fenwick Historic District, Fenwick, CT (listed: 04/13/1995)
- Fitchville Historic District, Bozrah, CT (listed: 04/11/1991)
- Flanders Historic District, Kent, CT (listed: 04/13/1979)
- Forest Street Historic District, Stamford, CT (listed: 11/25/1985)
- Fourth District School, North Branford, CT (listed: 08/29/1985)
- Fourth Ward Historic District, Greenwich, CT (listed: 04/21/2000)
- Frog Hollow Historic District, Hartford, CT (listed: 04/11/1979)
- Frog Hollow Historic District (Boundary Increase), Hartford, CT (listed: 03/01/1984)
- Gales Ferry Historic District No. 1, Gales Ferry, CT (listed: 12/14/1992)
- Gales Ferry Historic District No. 2, Ledyard, CT (listed: 08/22/2002)
- Garvan-Carroll Historic District, East Hartford, CT (listed: 08/26/1991)
- Gateway Village Historic District, Bridgeport, CT (listed: 09/26/1990)
- Georgetown Historic District (CT), Redding/Wilton, CT (listed: 03/09/1987)
- Glastonbury Historic District, Glastonbury, CT (listed: 08/02/1984)
- Glastonbury-Rocky Hill Ferry Historic District, Glastonbury, CT (listed: 09/21/2005)
- Glenville Historic District, Greenwich, CT (listed: 03/09/2007)
- Golden Hill Historic District (Bridgeport), Bridgeport, CT (listed: 09/03/1987)
- Goshen Historic District, Goshen, CT (listed: 12/27/1982)
- Granby Center Historic District, Granby, CT (listed: 10/17/1985)
- Grandview Terrace Boulevard Historic District, Hartford, CT (listed: 12/27/2002)
- Graniteville Historic District, Waterford, CT (listed: 08/28/2003)
- Greeneville Historic District, Norwich, CT (listed: 09/21/2005)
- Greenfield Hill Historic District, Fairfield, CT (listed: 03/11/1971)
- Greenwich Avenue Historic District, Greenwich, CT (listed: 08/31/1989)
- Greenwich Municipal Center Historic District, Greenwich, CT (listed: 07/26/1988)
- Greenwood Avenue Historic District, Bethel, CT (listed: 12/17/1999)
- Groton Bank Historic District, Groton, CT (listed: 03/24/1983)
- Guilford Town Center Historic District, Guilford, CT (listed: 07/06/1976)
- Gurleyville Historic District, Mansfield Center, CT (listed: 12/30/1975)
- Haddam Center Historic District, Haddam, CT (listed: 02/09/1989)
- Hadlyme Ferry Historic District, Hadlyme, CT (listed: 12/21/1994)
- Hadlyme North Historic District, East Haddam, CT (listed: 12/08/1988)
- Hallville Mill Historic District, Preston, CT (listed: 08/22/1996)
- Hamburg Bridge Historic District, Lyme, CT (listed: 03/10/1983)
- Hampton Hill Historic District, Hampton, CT (listed: 09/23/1982)
- Hart's Corner Historic District, Burlington, CT (listed: 07/08/1987)
- Hartford Golf Club Historic District, Hartford, CT (listed: 06/26/1986)
- Hastings Hill Historic District, Suffield, CT (listed: 09/14/1979)
- Hattertown Historic District, Newtown, CT (listed: 12/06/1996)
- Haviland and Elizabeth Streets--Hanford Place Historic District, Norwalk, CT (listed: 05/26/1988)
- Hazardville Historic District, Hazardville and vicinity, CT (listed: 02/19/1980)
- Hebron Center Historic District, Hebron, CT (listed: 07/30/1993)
- Hempstead Historic District, New London, CT (listed: 07/31/1986)
- High Street Historic District, Hartford, CT (listed: 07/08/1998)
- Highland Historic District (CT), Middletown, CT (listed: 06/28/1982)
- Hillhouse Avenue Historic District, New Haven, CT (listed: 09/13/1985)
- Hillside Historic District, Waterbury, CT (listed: 08/20/1987)
- Hotchkissville Historic District, Woodbury, CT (listed: 12/06/1996)
- Howard Avenue Historic District, New Haven, CT (listed: 09/12/1985)
- Huntington Center Historic District, Shelton, CT (listed: 03/31/2000)
- Hurley Road Historic District, Southbury, CT (listed: 07/29/1993)
- Imlay and Laurel Streets District, Hartford, CT (listed: 11/29/1979)
- Indian Hill Avenue Historic District, Portland, CT (listed: 05/26/1983)
- Ivoryton Historic District, Ivoryton, CT (listed: 4/15/2014)
- J. B. Williams Company Historic District, Glastonbury, CT (listed: 04/07/1983)
- Jail Hill Historic District, Norwich, CT (listed: 04/19/1999)
- Jefferson-Seymour District, Hartford, CT (listed: 05/04/1979)
- Jordan Village Historic District, Waterford, CT (listed: 08/23/1990)
- Kettle Creek Historic District, Weston, CT (listed: 11/22/1995)
- Kings Highway North Historic District, Westport, CT (listed: 08/10/1998)
- Lakeview Village Historic District, Bridgeport, CT (listed: 09/26/1990)
- Lakeville Historic District, Salisbury, CT (listed: 08/01/1996)
- Laurel and Marshall Streets District, Hartford, CT (listed: 11/29/1979)
- Laurel Hill Historic District, Norwich, CT (listed: 10/26/1987)
- Lawton Mills Historic District, Plainfield, CT (listed: 02/16/1996)
- Lebanon Green Historic District, Lebanon, CT (listed: 06/04/1979)
- Lime Rock Historic District, Salisbury, CT (listed: 07/05/1984)
- Litchfield Historic District, Litchfield, CT (listed: 11/29/1978)
- Litchfield-South Roads Historic District, Harwinton, CT (listed: 12/06/1996)
- Little Haddam Historic District, East Haddam, CT (listed: 08/01/1996)
- Little Hollywood Historic District, Hartford, CT (listed: 04/29/1982)
- Little Plain Historic District, Norwich, CT (listed: 10/15/1970)
- Little Plain Historic District (Boundary Increase), Norwich, CT (listed: 01/12/1987)
- Long Ridge Village Historic District, Stamford, CT (listed: 06/02/1987)
- Madison Green Historic District, Madison, CT (listed: 06/28/1982)
- Main Street Historic District, Middletown, CT (listed: 06/30/1983)
- Main Street Historic District (Boundary Increase), Windham, CT (listed: 07/29/1992)
- Main Street Historic District (Bristol), Bristol, CT (listed: 08/15/1995)
- Main Street Historic District (Cromwell), Cromwell, CT (listed: 10/24/1985)
- Main Street Historic District (Danbury), Danbury, CT (listed: 11/29/1983)
- Main Street Historic District (Durham), Durham, CT (listed: 09/04/1986)
- Main Street Historic District (Manchester), Manchester, CT (listed: 04/18/1996)
- Main Street Historic District (Willimantic), Willimantic, CT (listed: 06/28/1982)
- Main Street Historic District No. 1, Hartford, CT (listed: 12/23/1984)
- Main Street Historic District No. 2, Hartford, CT (listed: 12/23/1984)
- Manchester Historic District, Manchester, CT (listed: 08/02/2000)
- Manchester Historic District (Boundary Increase), Manchester, CT (listed: 08/17/2001)
- Mansfield Center Historic District, Mansfield, CT (listed: 02/23/1972)
- Mansfield Hollow Historic District, Mansfield, CT (listed: 05/21/1979)
- Marina Park Historic District, Bridgeport, CT (listed: 04/27/1982)
- Marion Historic District, Southington, CT (listed: 12/21/1988)
- Mechanic Street Historic District, Stonington, CT (listed: 06/07/1988)
- Meeting House Hill Historic District, Guilford, CT (listed: 12/14/1987)
- Meriden Avenue-Oakland Road Historic District, Southington, CT (listed: 05/25/1988)
- Metro South Historic District, Middletown, CT (listed: 01/24/1980)
- Middle Haddam Historic District, Middle Haddam, CT (listed: 02/03/1984)
- Middlebury Center Historic District, Middlebury, CT (listed: 05/09/1985)
- Middletown South Green Historic District, Middletown, CT (listed: 08/12/1975)
- Middletown Upper Houses Historic District, Cromwell, CT (listed: 07/27/1979)
- Migeon Avenue Historic District, Torrington, CT (listed: 09/06/2002)
- Mill Cove Historic District, Westport, CT (listed: 04/19/1991)
- Millington Green Historic District, East Haddam, CT (listed: 07/25/1996)
- Milton Center Historic District, Milton, CT (listed: 12/23/1986)
- Monroe Center Historic District, Monroe, CT (listed: 08/19/1977)
- Montauk Avenue Historic District, New London, CT (listed: 12/18/1990)
- Myrtle Avenue Historic District, Westport, CT (listed: 02/21/1986)
- Mystic Bridge Historic District, Mystic, CT (listed: 08/31/1979)
- Mystic River Historic District, West Mystic, CT (listed: 08/24/1979)
- National Hall Historic District, Westport, CT (listed: 09/13/1984)
- Naubuc Avenue-Broad Street Historic District, East Hartford, CT (listed: 12/04/1998)
- Naugatuck Center Historic District, Naugatuck, CT (listed: 07/30/1999)
- New Haven District Campground, Plainville, CT (listed: 05/19/1980)
- New Haven Green Historic District, New Haven, CT (listed: 12/30/1970)
- New Milford Center Historic District, New Milford, CT (listed: 06/13/1986)
- New Preston Hill Historic District, Washington, CT (listed: 08/26/1985)
- Newington Junction North Historic District, Newington, CT (listed: 06/02/1987)
- Newington Junction South Historic District, Newington, CT (listed: 06/02/1987)
- Newington Junction West Historic District, Newington, CT (listed: 06/02/1987)
- Newtown Borough Historic District, Newtown, CT (listed: 12/20/1996)
- Nichols Farms Historic District, Trumbull, CT (listed: 08/20/1987)
- Ninth Square Historic District, New Haven, CT (listed: 05/03/1984)
- Noank Historic District, Groton, CT (listed: 08/10/1979)
- Nook Farm and Woodland Street District, Hartford, CT (listed: 11/29/1979)
- Norfield Historic District, Weston, CT (listed: 07/31/1991)
- Norfolk Historic District, Norfolk, CT (listed: 10/15/1979)
- North Branford Center Historic District, North Branford, CT (listed: 12/09/1999)
- North Cove Historic District, Saybrook, CT (listed: 07/22/1994)
- North Stonington Village Historic District, North Stonington, CT (listed: 03/17/1983)
- Northford Center Historic District, North Branford, CT (listed: 12/31/2002)
- Norwalk Green Historic District, Norwalk, CT (listed: 12/14/1987)
- Norwich Hospital District, Norwich-Preston, CT (listed: 01/22/1988)
- Norwichtown Historic District, Norwich, CT (listed: 01/17/1973)
- Old Lyme Historic District, Old Lyme, CT (listed: 10/14/1971)
- Old Wethersfield Historic District, Wethersfield, CT (listed: 12/29/1970)
- Orange Center Historic District (CT), Orange, CT (listed: 08/10/1989)
- Orange Street Historic District, New Haven, CT (listed: 09/12/1985)
- Oswegatchie Historic District, Waterford, CT (listed: 09/15/2005)
- Overlook Historic District, Waterbury, CT (listed: 06/07/1988)
- Oyster Point Historic District, New Haven, CT (listed: 08/10/1989)
- Palisado Avenue Historic District, Windsor, CT (listed: 08/25/1987)
- Parkside Historic District, Hartford, CT (listed: 05/31/1984)
- Peck Tavern, Old Lyme, CT (listed: 04/12/1982)
- Pequot Colony Historic District, New London, CT (listed: 10/28/1988)
- Phelps Farms Historic District, Colebrook, CT (listed: 08/18/1983)
- Pine Grove Historic District (Avon), Avon, CT (listed: 02/11/1980)
- Pine Meadow Historic District, New Hartford, CT (listed: 12/06/1996)
- Pines Bridge Historic District, North Haven, CT (listed: 05/27/1988)
- Plainfield Street Historic District, Plainfield, CT (listed: 04/11/1991)
- Plainfield Woolen Company Mill, Plainfield, CT (listed: 08/29/1985)
- Plantsville Historic District, Southington, CT (listed: 12/01/1988)
- Plymouth Center Historic District, Plymouth, CT (listed: 07/22/1999)
- Plymouth Center Historic District (Boundary Increase), Plymouth, CT (listed: 12/07/2000)
- Pomfret Street Historic District, Pomfret, CT (listed: 04/23/1998)
- Poquetanuck Village Historic District, Preston, CT (listed: 08/22/1996)
- Post Hill Historic District, New London, CT (listed: 08/05/1993)
- Pratt Street Historic District, Hartford, CT (listed: 03/10/1983)
- Preston City Historic District, Preston, CT (listed: 07/31/1987)
- Prospect Avenue Historic District, Hartford, CT (listed: 08/29/1985)
- Prospect Green Historic District, Prospect, CT (listed: 06/16/2000)
- Prospect Hill Historic District (New Haven), New Haven, CT (listed: 11/02/1979)
- Prospect Hill Historic District (Willimatic), Willimatic, CT (listed: 08/29/2003)
- Prospect Street Historic District, New London, CT (listed: 07/31/1986)
- Putnam Hill Historic District, Greenwich, CT (listed: 08/24/1979)
- Quaker Farms Historic District, Oxford, CT (listed: 08/09/1991)
- Quaker Hill Historic District, Waterford, CT (listed: 04/11/2002)
- Quinebaug Mill-Quebec Square Historic District, Brookland-Killingly, CT (listed: 08/29/1985)
- Quinnipiac River Historic District, New Haven, CT (listed: 06/28/1984)
- Railroad Avenue Industrial District, Bridgeport, CT (listed: 09/30/1985)
- Redding Center Historic District, Redding, CT (listed: 10/01/1992)
- Remington City Historic District, Bridgeport, CT (listed: 09/26/1990)
- Remington Village Historic District, Bridgeport, CT (listed: 09/26/1990)
- Revonah Manor Historic District, Stamford, CT (listed: 07/31/1986)
- Ridgefield Center Historic District, Ridgefield, CT (listed: 09/07/1984)
- River Park Historic District, Milford, CT (listed: 08/14/1986)
- River Road-Mead Avenue Historic District, Greenwich, CT (listed: 4/28/2014)
- River Street Historic District, New Haven, CT (listed: 01/26/1989)
- Rockville Historic District (CT), Rockville, CT (listed: 09/13/1984)
- Rocky Hill Center Historic District, Rocky Hill, CT (listed: 03/09/2007)
- Rogers Farm Historic District, Southington, CT (listed: 10/26/1988)
- Rossie Velvet Mill Historic District, Stonington, CT (listed: 3/9/2007)
- Round Hill Historic District, Greenwich, CT (listed: 07/25/1996)
- Route 146 Historic District, Guilford, CT (listed: 04/05/1990)
- Roxbury Center Historic District, Roxbury, CT (listed: 07/28/1983)
- Russian Village Historic District, Southbury, CT (listed: 12/08/1988)
- Salem Historic District, Salem, CT (listed: 09/22/1980)
- Salisbury Center Historic District, Salisbury, CT (listed: 09/11/1997)
- Sanford Road Historic District, Southbury, CT (listed: 07/29/1993)
- Scotland Center Historic District, Scotland, CT (listed: 12/16/1993)
- Seaside Village Historic District, Bridgeport, CT (listed: 09/26/1990)
- Sharon Historic District, Sharon, CT (listed: 04/15/1993)
- Sharon Valley Historic District, Sharon, CT (listed: 09/09/1982)
- Sherman Historic District, Sherman, CT (listed: 07/31/1991)
- Short Beach Historic District, Branford, CT (listed: 10/22/2019)
- Sigourney Square Historic District, Hartford, CT (listed: 01/16/1979)
- Sigourney Square Historic District (Boundary Increase), Hartford, CT (listed: 12/21/1983)
- Simsbury Center Historic District, Simsbury, CT (listed: 04/12/1996)
- Sisson-South Whitney Historic District, Hartford, CT (listed: 7/24/2013)
- Sol's Path Historic District, Northford, CT (listed: 08/05/1985)
- Somers Historic District, Somers, CT (listed: 09/23/1982)
- Somersville Historic District, Somersville, CT (listed: 04/13/1995)
- South Britain Historic District, Southbury, CT (listed: 02/12/1987)
- South Coventry Historic District, Coventry, CT (listed: 05/06/1991)
- South End Historic District (Hartford), Bristol, CT (listed: 01/19/2001)
- South End Historic District (Stamford), Stamford, CT (listed: 03/19/1986)
- South Glastonbury Historic District, Glastonbury, CT (listed: 11/23/1984)
- South Green Historic District, Hartford, CT (listed: 11/17/1977)
- South Main and Washington Streets Historic District, Norwalk, CT (listed: 12/16/1977)
- South Main and Washington Streets Historic District (Boundary Increase II), Norwalk, CT (listed: 04/15/1999)
- South Main and Washington Streets Historic District (Boundary Increase), Norwalk, CT (listed: 11/08/1985)
- Southbury Historic District, Southbury, CT (listed: 03/11/1971)
- Southington Center Historic District, Southington, CT (listed: 05/08/1989)
- Southport Historic District, Fairfield, CT (listed: 03/24/1971)
- Southwest District School, Bloomfield, CT (listed: 07/24/1992)
- Stafford Hollow Historic District, Stafford, CT (listed: 10/15/1987)
- Sterling Hill Historic District, Sterling, CT (listed: 02/06/1986)
- Sterling Hill Historic District (Bridgeport), Bridgeport, CT (listed: 04/02/1992)
- Stony Creek-Thimble Islands Historic District, Branford, CT (listed: 12/16/1988)
- Stratfield Historic District, Bridgeport, CT (listed: 06/23/1980)
- Stratford Center Historic District, Stratford, CT (listed: 12/22/1983)
- Strickland Road Historic District, Greenwich, CT (listed: 03/22/1990)
- Suffield Historic District, Suffield, CT (listed: 09/25/1979)
- Sunny Ridge Historic District, Washington, CT (listed: 11/22/1995)
- Talcottville Historic District, Vernon, CT (listed: 01/05/1989)
- Tariffville Historic District, Simsbury, CT (listed: 04/02/1993)
- Terry's Plain Historic District, Simsbury, CT (listed: 12/10/1993)
- Thompson Hill Historic District, Thompson, CT (listed: 12/31/1987)
- Titicus Historic District, Ridgefield, CT (listed: 02/13/1985)
- Tolland Green Historic District, Tolland, CT (listed: 08/01/1997)
- Topsmead, Litchfield, CT (listed: 11/19/1993)
- Torringford Street Historic District, Torrington, CT (listed: 07/31/1991)
- Town Hall and District School No. 6, Morris, CT (listed: 11/30/1987)
- Trowbridge Square Historic District, New Haven, CT (listed: 09/12/1985)
- Umpawaug District School, Redding, CT (listed: 12/01/1988)
- Union Green Historic District, Union, CT (listed: 07/19/1990)
- Union Village Historic District (Manchester), Manchester, CT (listed: 08/06/2002)
- United States Housing Corporation Historic District, New London, CT (listed: 04/16/1990)
- University of Connecticut Historic District--Connecticut Agricultural School, Mansfield, CT (listed: 01/31/1989)
- Upper Albany Historic District, Hartford, CT (listed: 09/29/1986)
- Upper Main Street Historic District, Ansonia, CT (listed: 12/02/1982)
- Upper State Street Historic District, New Haven, CT (listed: 09/07/1984)
- Wadsworth Estate Historic District, Middletown, CT (listed: 07/25/1996)
- Wallingford Center Historic District, Wallingford, CT (listed: 12/02/1993)
- Walnut Hill Historic District (New Britain), New Britain, CT (listed: 09/02/1975)
- Washington Green Historic District, Washington, CT (listed: 11/27/1995)
- Washington Street Historic District (Middletown), Middletown, CT (listed: 05/09/1985)
- Water Street Historic District, Torrington, CT (listed: 01/15/2003)
- Watertown Center Historic District, Watertown, CT (listed: 04/12/2001)
- Wauregan Historic District, Plainfield, CT (listed: 08/24/1979)
- Weir, J. Alden, Farm Historic District, Ridgefield, CT (listed: 01/05/1984)
- West Boulevard Historic District, Hartford, CT (listed: 06/07/2006)
- West End Commercial District, Winsted, CT (listed: 08/03/1990)
- West End Historic District (New Britain), New Britain, CT (listed: 12/24/1998)
- West End North Historic District, West Hartford, CT (listed: 07/25/1985)
- West End South Historic District, Hartford and West Hartford, CT (listed: 04/11/1985)
- West Goshen Historic District, Goshen, CT (listed: 10/23/1987)
- West Granby Historic District, Granby, CT (listed: 05/01/1992)
- West Hartford Municipal Historic District, West Hartford, CT (listed: 10/05/2006)
- West Haven Green Historic District, West Haven, CT (listed: 08/11/2000)
- West Hill Historic District, West Hartford, CT (listed: 11/29/1996)
- West Mountain Historic District, Ridgefield, CT (listed: 02/23/1984)
- Westville Village Historic District, New Haven, CT (listed: 01/23/2003)
- Westville Village Historic District (Boundary Increase), New Haven, CT (listed: 10/25/2006)
- Whitney Avenue Historic District, New Haven, CT (listed: 02/02/1989)
- Wickham Road Historic District, East Haddam, CT (listed: 07/25/1996)
- William D. Bishop Cottage Development Historic District, Bridgeport, CT (listed: 06/28/1982)
- Williams Memorial Park Historic District, New London, CT (listed: 12/03/1987)
- Willington Common Historic District, Willington, CT (listed: 12/18/1990)
- Wilmot Apartments Historic District, Bridgeport, CT (listed: 09/26/1990)
- Wilton Center Historic District, Wilton, CT (listed: 08/19/1992)
- Winchester Repeating Arms Company Historic District, New Haven, CT (listed: 01/28/1988)
- Windham Center Historic District, Windham, CT (listed: 06/04/1979)
- Windsor Farms Historic District, South Windsor, CT (listed: 04/11/1986)
- Winsted Green Historic District, Winsted, CT (listed: 08/16/1977)
- Winsted Green National Register Historic District (Boundary Increase), Winsted, CT (listed: 04/29/1982)
- Wolcott Green Historic District, Wolcott, CT (listed: 03/31/2000)
- Woodbridge Green Historic District, Woodbridge, CT (listed: 04/18/2003)
- Woodbury Historic District No. 1, Woodbury, CT (listed: 03/11/1971)
- Woodbury Historic District No. 2, Woodbury, CT (listed: 02/23/1972)
- Woodstock Hill Historic District, Woodstock, CT (listed: 01/06/1999)
- Wooster Square Historic District, New Haven, CT (listed: 08/05/1971)
- Working Girls' Vacation Society Historic District, East Haddam, CT (listed: 06/03/1994)
- Worthington Ridge Historic District, Berlin, CT (listed: 07/13/1989)
- Yantic Falls Historic District, Norwich, CT (listed: 06/28/1972)